CN116571450B - Granule screening machine - Google Patents
Granule screening machine Download PDFInfo
- Publication number
- CN116571450B CN116571450B CN202310861942.8A CN202310861942A CN116571450B CN 116571450 B CN116571450 B CN 116571450B CN 202310861942 A CN202310861942 A CN 202310861942A CN 116571450 B CN116571450 B CN 116571450B
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- China
- Prior art keywords
- screening
- fertilizer
- assembly
- filter plate
- air supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000012216 screening Methods 0.000 title claims abstract description 88
- 239000008187 granular material Substances 0.000 title claims description 16
- 239000003337 fertilizer Substances 0.000 claims abstract description 102
- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 239000002245 particle Substances 0.000 claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims description 18
- 239000003638 chemical reducing agent Substances 0.000 claims description 16
- 238000011010 flushing procedure Methods 0.000 claims description 14
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000630 rising effect Effects 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 6
- 230000004308 accommodation Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002689 soil Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000020774 essential nutrients Nutrition 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fertilizing (AREA)
Abstract
The invention relates to the field of particle screening, and particularly discloses a particle screening machine, which comprises a support frame, wherein a screening mechanism is arranged on the support frame, the screening mechanism is provided with a screening component, a driving mechanism is arranged at the bottom of the screening mechanism, the screening mechanism comprises a feeding component and a supporting component which are arranged on the support frame, the screening component is rotatably arranged between the feeding component and the supporting component, and a filtering component is arranged in the screening component; according to the particle screening machine disclosed by the invention, the driving mechanism drives the screening assembly to rotate, and the filter plates rotate along with the screening assembly at the moment so as to drive fertilizer in the accommodating space enclosed by all the filter plates to gradually rise, and the fertilizer continuously falls down along the filter plates in the rising process, so that the effect of continuously lifting the fertilizer is achieved, small particle fertilizer can be contacted with holes on the filter plates, and the large particle fertilizer is prevented from staying at the lowest part of the small particle fertilizer for a long time.
Description
Technical Field
The invention relates to the technical field of particle screening, in particular to a particle screening machine.
Background
The fertilizer is a substance for providing one or more than one plant essential nutrient elements, improving soil properties and improving soil fertility level, and is one of substance bases in agricultural production. Most of the fertilizers on the existing market are granular, and the time required for dissolving fertilizer granules with different sizes in a medium for plant growth is different, so that in the production process of the granular fertilizer, the granular fertilizer is usually required to be screened, so that the fertilizer granules with different sizes can be distinguished.
The drum-type fertilizer particle selecting and classifying machine disclosed in the Chinese patent application publication No. CN113634479B can solve the problem that in the related art, fertilizer particles can block screening holes, so that the effect of screening the fertilizer particles is reduced, and after the drum-type screening machine is used for a period of time, the screening holes are required to be manually cleaned, and the efficiency of manually cleaning the screening holes is lower; the existing drum-type screening machine generally does not have the function of shaking screening, so that the efficiency of screening fertilizer particles is reduced, but the structural design of the prior art is as follows:
in the screening process of granular fertilizer, the granule drives the material along with the rotation of drum sieve and removes, but at drum sieve pivoted in-process, fertilizer granule is easy to slide down along the inner wall of drum sieve, when some big granule fertilizer is located the below, can block some screening holes to lead to the unable quick screening hole that passes of little granule fertilizer, and then can lead to some little granule fertilizer to filter insufficiently, still there is some little granule fertilizer in the fertilizer after the discharge.
We have therefore proposed a particle sizer to address the problems set out above.
Disclosure of Invention
The invention provides a particle screening machine, which aims to solve the problem that large particle fertilizers block screening holes so that small particle fertilizers cannot pass through rapidly in the related art.
The particle screening machine of the present invention comprises:
a support frame;
the screening mechanism is arranged on the supporting frame and is obliquely arranged to screen the fertilizer, and the screening mechanism is provided with a screening component;
the driving mechanism is arranged at the bottom of the screening mechanism to drive the screening assembly to rotate;
screening mechanism is including setting up material loading subassembly and the supporting component on the support frame, it is provided with the screening subassembly to rotate between material loading subassembly and the supporting component, the internally mounted of screening subassembly has filter unit, filter unit includes that a plurality of is the filter that annular array distributes, a plurality of the filter all sets up on the inner wall of screening subassembly, the connecting plate is all installed at the both ends of filter, the filter forms the appearance chamber with two connecting plates to supply to hold the fertilizer that the filter filters out, all enclose into between the filter and have accommodation space for hold the fertilizer that needs screening.
Preferably, the filter panels are V-shaped in shape with the ribs on each filter panel facing the axis of the screen assembly.
Preferably, the screening subassembly is including setting up the rotary drum in the filter outside, a plurality of relief hole has been seted up on the rotary drum, the appearance chamber that the filter formed with two connecting plates are connected is linked together with the relief hole, the surface sliding connection of rotary drum has the shutoff board, the inboard of shutoff board is located to the relief hole, the sliding ring is all installed in the both ends outside of rotary drum, two the sliding ring all sets up on actuating mechanism.
Preferably, the feeding assembly comprises a fixed cover, a feeding pipe is arranged at one end of the fixed cover, and one end of the feeding pipe extends to the inside of the rotary cylinder and is close to the filter plate so as to convey fertilizer to the filter plate.
Preferably, the driving mechanism comprises a driving assembly arranged on the supporting frame, two driven assemblies are arranged on the driving assembly, the driving assembly comprises a driving source arranged on the top of the supporting frame, speed reducers are arranged at two ends of the driving source through driving shafts, each speed reducer is connected with one driven assembly, the driven assembly comprises two supporting seats arranged on one side of the top of the supporting frame, a rotating rod is connected between the two supporting seats in a rotating mode, one end of the rotating rod is connected with the speed reducers, two driving wheels are arranged on the rotating rod, and the driving wheels are connected with the slip ring in a rotating mode.
Preferably, two groups of air supply mechanisms are arranged on the support component, each air supply mechanism comprises an air supply pipe arranged on the support component, a plurality of air outlet holes which are arranged at equal intervals are formed in the air supply pipes, a connecting pipe is arranged at one end of each air supply pipe penetrating through the support component, and a hot air blower is arranged at one end of each connecting pipe.
Preferably, the end part of the fixed cover is provided with a plurality of exhaust holes, and the exhaust holes are uniformly distributed.
Preferably, the bottom of the fixed cover is provided with a dust discharge port, a sealing plate is arranged in the dust discharge port, and the sealing plate is sealed with the dust discharge port through a rubber pad.
Preferably, the outside of air supply pipe is equipped with washes the mechanism, it establishes the sleeve pipe on the air supply pipe to wash the mechanism including the cover, set up a plurality of equidistant through-hole of arranging on the sleeve pipe, the extension piece is installed in the one end outside of sleeve pipe.
Preferably, the connecting plate is provided with a flushing hole, and the flushing hole is matched with the sleeve.
By adopting the technical scheme, the invention has the beneficial effects that: the feeding assembly adds fertilizer into the accommodation space that all filter plates enclose, then start actuating mechanism, actuating mechanism drive screening subassembly rotates, screen fertilizer, the screening subassembly rotates is followed to the filter this moment, in order to drive the fertilizer in the accommodation space that all filter plates enclose and rise gradually, the in-process that the fertilizer risees, the fertilizer drops down along the filter, thereby reach the effect with the continuous play of fertilizer, make the aperture on the filter can be contacted to the granule fertilizer, avoid the fertilizer of macroparticle to stop in the below of granule fertilizer for a long time, thereby can make granule fertilizer quick pass the filter, in order to carry out quick screening to granule fertilizer.
Drawings
Fig. 1 is a schematic overall structure of a first embodiment of the present invention.
Fig. 2 is a schematic structural view of a screening mechanism according to a first embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of a screen assembly according to a first embodiment of the present invention.
Fig. 4 is a schematic structural view of a filter plate according to a first embodiment of the present invention.
Fig. 5 is a schematic structural view of a fixing cover according to a first embodiment of the present invention.
Fig. 6 is a schematic structural view of a driving mechanism according to a first embodiment of the present invention.
Fig. 7 is a schematic overall structure of a second embodiment of the present invention.
Fig. 8 is a schematic cross-sectional view of a rotary drum according to a second embodiment of the present invention.
Fig. 9 is a schematic structural view of a fixing cover according to a second embodiment of the present invention.
Fig. 10 is a schematic structural view of a flushing mechanism according to a third embodiment of the present invention.
Fig. 11 is a schematic structural view of a sleeve according to a third embodiment of the present invention.
Reference numerals:
10. a support frame;
20. a screening mechanism; 21. a screen assembly; 211. a rotating cylinder; 212. a discharge hole; 213. a plugging plate; 214. a slip ring; 215. screening holes; 22. a feeding assembly; 221. a fixed cover; 222. a support arm; 223. feeding pipes; 224. feeding a hopper; 23. a support assembly; 231. a baffle; 232. a connecting arm; 24. a filter assembly; 241. a filter plate; 242. a connecting plate; 243. flushing the hole;
30. a driving mechanism; 31. a drive assembly; 311. a driving source; 312. a speed reducer; 32. a driven assembly; 321. a support base; 322. a rotating lever; 323. a driving wheel;
40. a wind supply mechanism; 41. an air heater; 42. a connecting pipe; 43. an air supply pipe; 44. an air outlet hole;
50. a flushing mechanism; 51. a sleeve; 52. a through hole; 53. a telescoping member.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 11, the granule screening machine of the present invention comprises a supporting frame 10, a screening mechanism 20 is provided on the supporting frame 10 to screen fertilizer, the screening mechanism 20 has a screening assembly 21, and a driving mechanism 30 is provided at the bottom of the screening mechanism 20 to drive the screening assembly 21 to rotate.
As shown in fig. 1 and 2, the screening mechanism 20 is obliquely arranged, the included angle between the central axis and the horizontal plane is 30-60 degrees, the screening mechanism 20 comprises a feeding component 22 and a supporting component 23 which are fixedly connected to the supporting frame 10, a screening component 21 is rotatably arranged between the feeding component 22 and the supporting component 23 through a bearing, a filtering component 24 is fixedly arranged in the screening component 21, after fertilizer is added to the screening component 21 by the feeding component 22, the screening component 21 and the filtering component 24 are driven by a driving mechanism 30 to rotate, so that the small-particle fertilizer is screened by the filtering component 24, the residual fertilizer is screened again by the screening component 21, and then the fertilizer remained in the screening component 21 is discharged through the tail end of the screening component 21.
As shown in fig. 2 and 4, the filter assembly 24 includes a plurality of filter plates 241 distributed in a ring-shaped array, the plurality of filter plates 241 are all installed on the inner wall of the screen assembly 21, in this embodiment, the shape of the filter plates 241 is V-shaped, the convex edges on each filter plate 241 face the axis of the screen assembly 21, the connecting plates 242 are all installed at two ends of the filter plates 241, the filter plates 241 are connected with two connecting plates 242 to form a cavity for accommodating the fertilizer filtered by the filter plates 241, and an accommodating space is enclosed between all the filter plates 241 for accommodating the fertilizer to be screened.
The fertilizer falls into accommodation space through material loading subassembly 22 between all filter 241, drive a plurality of filter 241 rotation at screening subassembly 21 pivoted in-process, a plurality of filter 241 drives fertilizer rotation this moment, the filter 241 of V-arrangement at fertilizer pivoted in-process can drive fertilizer and rise gradually, the in-process fertilizer that rises can fall along filter 241 inclined plane, thereby reach the effect of raising the fertilizer, avoid the fertilizer of macroparticle to stay in the below of macroparticle fertilizer for a long time, thereby can make the quick filter 241 of macroparticle fertilizer pass, thereby can make the hole on the filter 241 of macroparticle fertilizer contact, be convenient for carry out quick screening to the macroparticle fertilizer.
As shown in fig. 2 and 3, the screening assembly 21 includes a rotating cylinder 211 disposed outside a filter plate 241, the rotating cylinder 211 is obliquely disposed, a plurality of discharge holes 212 are formed in the rotating cylinder 211, the plurality of discharge holes 212 are respectively in one-to-one correspondence with the plurality of filter plates 241, a cavity formed by connecting the filter plates 241 with two connecting plates 242 is communicated with the discharge holes 212, and the filtered small-particle fertilizer can move along the oblique direction of the rotating cylinder 211 due to the oblique arrangement of the rotating cylinder 211, so that the small-particle fertilizer screened on the filter plates 241 can be discharged out of the rotating cylinder 211 through the discharge holes 212.
As shown in fig. 1 to 4, the outer surface of the rotary cylinder 211 is slidably connected with a blocking plate 213, the discharge hole 212 is located at the inner side of the blocking plate 213, the discharge hole 212 can be blocked, the blocking plate 213 is in a major arc shape with a downward opening, small granular fertilizer filtered by the filter plate 241 can be always discharged from the bottom of the rotary cylinder 211, two mounting portions obliquely extend on the outer wall of the blocking plate 213, and the two mounting portions are mounted on the support frame 10, so that the blocking plate 213 can be prevented from following the rotation of the rotary cylinder 211.
As shown in fig. 3, the rotating cylinder 211 is provided with a plurality of screening holes 215 for secondarily screening the fertilizer, the fertilizer screened by the filter plate 241 is moved into the rotating cylinder 211, and the fertilizer is secondarily screened through the screening holes 215 formed in the rotating cylinder 211.
As shown in fig. 1 to 3, slip rings 214 are mounted on the outer sides of both ends of the rotation cylinder 211, both slip rings 214 are provided on the driving mechanism 30, the slip ring 214 provided at the head end of the rotation cylinder 211 is provided on the outer side of the feeding assembly 22, and the slip ring 214 provided at the tail end of the rotation cylinder 211 is provided on the outer side of the supporting assembly 23.
As shown in fig. 1 to 5, the feeding assembly 22 includes a fixed cover 221, the outer side of the fixed cover 221 is rotatably connected with the inner side of the head end slip ring 214 on the rotating cylinder 211 through a bearing, a supporting arm 222 is installed at the bottom of the fixed cover 221, a feeding pipe 223 is installed at the top of one end of the fixed cover 221, one end of the feeding pipe 223 extends to the inside of the rotating cylinder 211, one end of the feeding pipe 223 extending to the rotating cylinder 211 is arranged close to the filter plate 241 so as to convey fertilizer to the filter plate 241, the other end of the feeding pipe 223 extends obliquely upwards, a feeding hopper 224 is installed at the other end of the feeding pipe 223, and the fertilizer falls onto the filter plate 241 along the feeding pipe 223 after entering the feeding hopper 224.
As shown in fig. 1 to 5, the supporting assembly 23 includes a baffle 231, the outer side of the baffle 231 is rotatably connected with the inner side of the end slip ring 214 on the rotating cylinder 211 through a bearing, in this embodiment, the baffle 231 is circular in shape, a gap for discharging fertilizer is formed at the bottom of the baffle 231, fertilizer moving to the end of the rotating cylinder 211 is discharged through the gap on the baffle 231, two connecting arms 232 with a certain interval are installed at one side of the baffle 231, the bottom of the connecting arms 232 is installed on the supporting frame 10, and the rotating cylinder 211 can be supported through the fixed cover 221 and the baffle 231.
As shown in fig. 3 and 6, the driving mechanism 30 includes a driving assembly 31 mounted on the support frame 10, two driven assemblies 32 are disposed on the driving assembly 31, the slip ring 214 is rotatably connected to the two driven assemblies 32, and the driving assembly 31 drives the two driven assemblies 32 to rotate so as to drive the rotating cylinder 211 on the slip ring 214 to rotate.
As shown in fig. 6, the driving assembly 31 includes a driving source 311 installed on one side of the top of the supporting frame 10, in this embodiment, the driving source 311 is a dual-shaft servo motor with a brake, two ends of the driving source 311 are all installed with speed reducers 312 through driving shafts, two speed reducers 312 are all installed on one side of the top of the supporting frame 10, each speed reducer 312 is connected with one driven assembly 32, the driving source 311 drives the driving shafts on the two speed reducers 312 to rotate simultaneously through the two driving shafts thereon, and at this time, the speed reducers 312 drive the two driven assemblies 32 to rotate through the driving shafts thereon.
As shown in fig. 3 and 6, the driven component 32 includes two supporting seats 321 installed at one side of the top of the supporting frame 10, a rotating rod 322 is rotatably connected between the two supporting seats 321, one end of the rotating rod 322 is connected with a driving shaft on the speed reducer 312, driving wheels 323 are installed at the outer sides of two ends of the rotating rod 322, the driving wheels 323 are rotatably connected with the slip ring 214, the speed reducer 312 drives the two driving wheels 323 on the rotating rod 322 to rotate through the driving shaft thereon, and at this time, the driving wheels 323 drive the rotating cylinder 211 to rotate through the slip ring 214.
When the fertilizer is screened, the driving source 311 is started, at this moment, the driving source 311 drives the driving shafts on the two reducers 312 to rotate through the driving shafts on the driving sources 311, at this moment, the two reducers 312 drive the two driving wheels 323 on the rotating rods 322 to rotate, the driving wheels 323 drive the rotating cylinder 211 to rotate through the slip ring 214 in the rotating process, the rotating cylinder 211 drives the filter plate 241 to rotate, then the fertilizer is added into the upper hopper 224, the fertilizer falls onto the filter plate 241 along the feeding pipe 223 after entering the upper hopper 224, the fertilizer is continuously lifted up through the rotating filter plate 241, meanwhile, the small-particle fertilizer passes through the filter plate 241 and falls onto the inner wall of the rotating cylinder 211, then the small-particle fertilizer moves to the position of the discharging hole 212 along the inclined rotating cylinder 211, when the discharging hole 212 on the rotating cylinder 211 rotates to the opening of the plugging plate 213, the small-particle fertilizer is discharged through the discharging hole 212, the fertilizer filtered by the filter plate 241 moves to the tail end of the rotating cylinder 211, at this moment, the screening hole 215 on the rotating cylinder 211 carries out secondary filtration on the fertilizer, the filtered fertilizer is discharged through the screening hole 215, and the filtered fertilizer is discharged in a straight direction along the inclined direction of the rotating cylinder 211.
The second embodiment is provided for overcoming the defects that dust is easy to generate in the fertilizer, dust raising phenomenon can occur in the process of raising the fertilizer, and caking of the fertilizer is easy to occur when the moisture in the fertilizer is large.
As shown in fig. 7 to 9, a second embodiment of the present invention is different from the first embodiment in that: two sets of air supply mechanisms 40 are additionally arranged on the baffle 231, a plurality of exhaust holes are formed in the end portion of the fixed cover 221, the exhaust holes are uniformly distributed, in the embodiment, the diameter of each exhaust hole is smaller than that of dust, the air supply mechanism 40 blows hot air into the rotary cylinder 211 to dry the sieved fertilizer, meanwhile, part of hot air blows dust at the filter plate 241 to the fixed cover 221, the hot air is exhausted from the exhaust holes in the fixed cover 221, and meanwhile, the exhaust holes filter dust in the hot air.
As shown in fig. 7 and 8, the air supply mechanism 40 includes an air supply pipe 43 mounted on a baffle 231, the air supply pipe 43 is disposed inside the rotary drum 211, a plurality of air outlet holes 44 are formed in one side of the air supply pipe 43 and are arranged at equal intervals, a connecting pipe 42 is mounted at one end of the air supply pipe 43 penetrating through the baffle 231, an air heater 41 is mounted at the bottom end of the connecting pipe 42, the air heater 41 is mounted on the support frame 10, the air heater 41 supplies air to the air supply pipe 43 through the connecting pipe 42, and the air supply pipe 43 blows the hot air to the rotary drum 211 through the air outlet holes 44 at this time, so that the fertilizer in the rotary drum 211 is dried.
As shown in fig. 9, the bottom of the fixed cover 221 is provided with a dust discharge port, in which a sealing plate is provided, and the sealing plate is sealed with the dust discharge port by a rubber pad to prevent dust from being discharged from the dust discharge port during the air supply process.
The hot air entering the rotating cylinder 211 dries the sieved fertilizer, and part of the hot air moves in the direction of the filter plate 241 in the drying process, so that the dust at the filter plate 241 is blown to the fixed cylinder, and finally the hot air is discharged through the exhaust hole on the fixed cylinder, and meanwhile, the exhaust hole filters the dust in the hot air, and the dust generated during the fertilizer lifting process is concentrated in the fixed cylinder.
In the process of filtering the fertilizer, the condition that the fertilizer blocks the filter plate 241 exists, and in order to facilitate cleaning of the filter plate 241, a third embodiment is provided.
As shown in fig. 10 and 11, a third embodiment of the present invention is different from the second embodiment in that: a flushing mechanism 50 is sleeved outside the air supply pipe 43, and a flushing hole 243 is formed in a connecting plate 242 close to the air supply pipe 43, wherein the flushing mechanism 50 guides hot air blown out by the hot air blower 41 into the filter plate 241, so that fertilizer particles blocked on the filter plate 241 are flushed with air.
As shown in fig. 10 and 11, the flushing mechanism 50 includes a sleeve 51 sleeved on the air supply pipe 43, the sleeve 51 is matched with the flushing hole 243, a plurality of through holes 52 are formed in one side of the sleeve 51 and are arranged at equal intervals, a telescopic member 53 is installed on the outer side of one end of the sleeve 51, in this embodiment, the telescopic member 53 is an air cylinder, in other embodiments, the telescopic member 53 may be a hydraulic cylinder or an electric telescopic rod, a movable end of the telescopic member 53 is installed on the baffle 231, and a fixed end of the telescopic member 53 is installed on the sleeve 51.
When the telescopic piece 53 is started, the telescopic piece 53 can drive the sleeve 51 to move along the air supply pipe 43, so that the through hole 52 on the sleeve 51 and the air outlet 44 on the air supply pipe 43 are arranged in a staggered mode, when the through hole 52 on the sleeve 51 is overlapped with the air outlet 44 on the air supply pipe 43, hot air in the air supply pipe 43 is blown out from the through hole 52, and when the through hole 52 on the sleeve 51 and the air outlet 44 on the air supply pipe 43 are arranged in a staggered mode, the hot air in the air supply pipe 43 is blown out from the tail end of the sleeve 51.
When the filter plate 241 is cleaned, the telescopic piece 53 is started, at this time, the movable end on the telescopic piece 53 extends outwards to push the fixed end on the telescopic piece 53 to move, at this time, the fixed end on the telescopic piece 53 drives the sleeve 51 to move along the air supply pipe 43, when one end of the sleeve 51 corresponds to the flushing hole 243 formed in the connecting plate 242, the air outlet 44 of the air supply pipe 43 is closed by the inner wall of the sleeve 51, the through hole 52 of the sleeve 51 is closed by the outer wall of the air supply pipe 43, at this time, hot air in the air supply pipe 43 blows to the filter plate 241 along the sleeve 51, and as the opening direction of the filter plate 241 is blocked by the rotating cylinder 211, the discharge hole 212 on the rotating cylinder 211 is blocked by the blocking plate 213, and both ends of the filter plate 241 are blocked by the connecting plate 242, so that air blown to the filter plate 241 can only blow out from the filtering holes on the filter plate 241, thereby fertilizer particles blocked on the filter plate 241 can be blown off to clean the filter plate 241, and the filter plate 241 are continuously driven to rotate by the rotating cylinder 211 in the process of cleaning the filter plate 241.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (5)
1. A granule sieving machine, which comprises a main body,
characterized by comprising the following steps:
a support frame;
the screening mechanism is arranged on the supporting frame and is obliquely arranged to screen the fertilizer, and the screening mechanism is provided with a screening component;
the driving mechanism is arranged at the bottom of the screening mechanism to drive the screening assembly to rotate;
the screening mechanism comprises a feeding assembly and a supporting assembly which are arranged on a supporting frame, a screening assembly is rotatably arranged between the feeding assembly and the supporting assembly, a filtering assembly is arranged in the screening assembly, the filtering assembly comprises a plurality of filtering plates distributed in an annular array, the filtering plates are arranged on the inner wall of the screening assembly, connecting plates are arranged at the two ends of each filtering plate, the filtering plates are connected with the two connecting plates to form a containing cavity for containing fertilizer filtered by the filtering plates, and a containing space is formed between all the filtering plates in an enclosing mode and used for containing fertilizer to be screened;
the shape of the filter plates is V-shaped, and the convex edge on each filter plate faces to the axis of the screening component;
the air supply mechanism comprises an air supply pipe arranged on the support assembly, a plurality of air outlet holes which are arranged at equal intervals are formed in the air supply pipe, a connecting pipe is arranged at one end of the air supply pipe penetrating through the support assembly, and an air heater is arranged at one end of the connecting pipe;
the outer side of the air supply pipe is provided with a flushing mechanism, the flushing mechanism comprises a sleeve sleeved on the air supply pipe, a plurality of through holes which are arranged at equal intervals are formed in the sleeve, and a telescopic piece is arranged at the outer side of one end of the sleeve;
the connecting plate is provided with a flushing hole which is matched with the sleeve;
the screening component comprises a rotating cylinder arranged at the outer side of the filter plate, a plurality of discharge holes are formed in the rotating cylinder, a containing cavity formed by connecting the filter plate and two connecting plates is communicated with the discharge holes, the outer surface of the rotating cylinder is slidably connected with a plugging plate, the discharge holes are arranged at the inner side of the plugging plate, slip rings are arranged at the outer sides of two ends of the rotating cylinder, and the two slip rings are arranged on the driving mechanism;
the rotary cylinder is provided with a plurality of screening holes, the fertilizer filtered by the filter plate moves to the tail end of the rotary cylinder along the filter plate, at the moment, the screening holes on the rotary cylinder carry out secondary filtration on the fertilizer, the filtered fertilizer is discharged out of the rotary cylinder through the screening holes, and in the filtration process, the fertilizer continues to move along the inclined direction of the rotary cylinder until being discharged;
when the telescopic part is started, the telescopic part can drive the sleeve to move along the air supply pipe, so that the through hole on the sleeve and the air outlet hole on the air supply pipe are arranged in a staggered mode, when the through hole on the sleeve is overlapped with the air outlet hole on the air supply pipe, hot air in the air supply pipe is blown out from the through hole, the hot air machine supplies air to the air supply pipe through the connecting pipe, and at the moment, the air supply pipe blows the hot air to the rotating cylinder through the air outlet hole, so that fertilizer in the rotating cylinder is dried; when the through hole on the sleeve pipe and the air outlet on the air supply pipe are arranged in a staggered manner, hot air in the air supply pipe is blown out from the tail end of the sleeve pipe, as the opening direction of the filter plate is shielded by the rotating cylinder, the discharging hole on the rotating cylinder is shielded by the plugging plate, and the two ends of the filter plate are shielded by the connecting plate, the air blown to the filter plate can be blown out from the filtering hole on the filter plate only, so that fertilizer particles plugged on the filter plate can be blown off, the filter plate can be cleaned, the rotating cylinder continuously drives the filter plate to rotate in the cleaning process, and thus, the fertilizer particles plugged on all the filter plate can be cleaned.
2. The particulate screening machine of claim 1, wherein the loading assembly includes a stationary housing having a loading tube mounted at one end thereof, one end of the loading tube extending into the interior of the rotating drum and positioned adjacent the filter plate for delivering fertilizer to the filter plate.
3. The particle screening machine according to claim 1, wherein the driving mechanism comprises a driving assembly mounted on the supporting frame, two driven assemblies are arranged on the driving assembly, the driving assembly comprises a driving source mounted on the top of the supporting frame, speed reducers are mounted at two ends of the driving source through driving shafts, each speed reducer is connected with one driven assembly, the driven assemblies comprise two supporting seats mounted on one side of the top of the supporting frame, a rotating rod is rotatably connected between the two supporting seats, one end of the rotating rod is connected with the speed reducers, two driving wheels are mounted on the rotating rod, and the driving wheels are rotatably connected with the slip rings.
4. The particulate screening machine of claim 2, wherein the end of the stationary shroud defines a plurality of vent holes, the plurality of vent holes being evenly distributed.
5. The particulate screening machine of claim 2, wherein the fixed cover has a dust vent formed in a bottom thereof, a sealing plate is disposed in the dust vent, and the sealing plate is sealed with the dust vent by a rubber gasket.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310861942.8A CN116571450B (en) | 2023-07-14 | 2023-07-14 | Granule screening machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310861942.8A CN116571450B (en) | 2023-07-14 | 2023-07-14 | Granule screening machine |
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| CN116571450B true CN116571450B (en) | 2023-09-26 |
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|---|---|
| CN116571450A (en) | 2023-08-11 |
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